Rocker mechanism



FIG. 1 is a front perspective view of the rocker mechanism in accordance with the present invention, and further illustrating the environmental structure of a chair in broken lines;

FIG. 2 is a front perspective view of the rocker mechanism of the present invention;

FIG. 3 is a top plan view of the present invention;

FIG. 4 is a bottom plan view of the present invention;

FIG. 5 is a rear elevational view of the present invention; and

FIG. 6 is a front elevational view of the present invention;

FIG. 7 is a left elevational view of the present invention; and,

FIG. 8 is a right elevational view of the present invention.

It will be understood that the broken lines shown in FIG. 1 illustrate environmental structure associated with the present invention and form no part of the claimed design. 

The ornamental design for a rocker mechanism, as shown and described. 